﻿function setCookie(c_name,val){
	var c_value=val;
	var exdate=new Date();
	exdate.setDate(exdate.getDate() + 1);
	document.cookie=c_name+"="+c_value+";expires=" +exdate.toUTCString() ;
}

function getCookie(c_name)
{
	var i,x,y,ARRcookies=document.cookie.split(";");
	for (i=0;i<ARRcookies.length;i++){
		x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
		y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
		x=x.replace(/^\s+|\s+$/g,"");
		if (x==c_name){
		  return unescape(y);
		}
	}
}


function checkCookie()
{
var username=getCookie("username");
if (username!=null && username!="")
  {
  alert("Welcome again " + username);
  }
else
  {
  username=prompt("Please enter your name:","");
  if (username!=null && username!="")
    {
    setCookie("username",username,365);
    }
  }
}

function delCookie(cname)
{
    var d = new Date();
    document.cookie = cname+"=1;expires=" + d.toGMTString() + ";" + ";";
}
